From: Jean Delvare Date: Wed, 30 Nov 2011 16:36:39 +0000 (+0100) Subject: drm/radeon/kms: Skip ACPI call to ATIF when possible X-Git-Tag: v3.2-rc5~54^2~5 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=48cc9b2c7dae377e39836c0a88dd1c5ba5566d17;p=profile%2Fivi%2Fkernel-x86-ivi.git drm/radeon/kms: Skip ACPI call to ATIF when possible I am under the impression that it only makes sense to call the ATIF method if the graphics device has an ACPI handle attached. So we could skip the call altogether if there is no such handle. Signed-off-by: Jean Delvare Reviewed-by: Alex Deucher Signed-off-by: Dave Airlie --- diff --git a/drivers/gpu/drm/radeon/radeon_acpi.c b/drivers/gpu/drm/radeon/radeon_acpi.c index c039e5a..3516a60 100644 --- a/drivers/gpu/drm/radeon/radeon_acpi.c +++ b/drivers/gpu/drm/radeon/radeon_acpi.c @@ -51,13 +51,13 @@ int radeon_acpi_init(struct radeon_device *rdev) acpi_handle handle; int ret; - /* No need to proceed if we're sure that ATIF is not supported */ - if (!ASIC_IS_AVIVO(rdev) || !rdev->bios) - return 0; - /* Get the device handle */ handle = DEVICE_ACPI_HANDLE(&rdev->pdev->dev); + /* No need to proceed if we're sure that ATIF is not supported */ + if (!ASIC_IS_AVIVO(rdev) || !rdev->bios || !handle) + return 0; + /* Call the ATIF method */ ret = radeon_atif_call(handle); if (ret)